DELINEATION OF THE SUBSURFACESTRUCTURES OF THE CRETACEOUS FORMATIONS, USING THE SEISMIC DATA IN KOMOMBO BASINAL AREA, UPPER EGYPT, EGYPT

Document Type : Original Article

Authors

1 Geology Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt

2 Ganoub El-Wadi Petroleum Holding Company, Nasr City, Cairo,Egypt

Abstract

The Komombo concession is located in the western part of the Nile River, Upper Egypt, Egypt. The
geophysical data used for the present study include 34 seismic reflection lines and borehole data. The well data include
vertical seismic profiles and composite logs. The objective of this study is to do seismic interpretation of the given 2D
seismic sections for identifying the structural traps (faults) and obtaining a better understanding of the regional
subsurface geology, tectonic history of the studied area and a knowledge about the possibility of presence of
hydrocarbons in this area.The depth structure contour maps constructed for most tops that based on the 2D seismic
data showed two main extensional fault sets, a dominant northwest-southeast set parallel to the main bounding fault
system and a subsidiary set trending east west. A third set (northeast-southwest) is present but not dominant.The
proposed leads, based on the executed 2D seismic interpretation, represent promising areas for drilling exploratory
wells in these new recommended leads.Deterministic estimates of the potential volumes for the leads have been carried
out reflecting low case based on the difference in reservoir properties. Drilling more wells in these parts could add
more hydrocarbon reserves in Komombo basinal area

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